Panasonic NV-DS30EG Service Manual

Also see for NV-DS30A: Manual Operating instructions Operating instructions Operating instructions

Contents

2 SCHEMATIC DIAGRAMS2.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT NOTES1. Important safety noticeComponents identified by the sign have specialcharacteristics important for safety. When replacing anyof these components. Use only the specified parts.2. Do not use the part number shown on this drawing forordering.The correct part number and part value is shown in theparts list, and may be slightly different or amended sincethis drawing was prepared.3. Use only original replacement parts:To maintain original function and reliability of repairedunits, use only original replacement parts which are listedwith their part numbers in the parts list section of theservice manual.4. Parts different in shape or size may be used.However, only interchangeable parts will be supplied asservice replacement parts.5. Test point information: Test point with no test pin.Schematic Diagram Notes1. Indication for Zener Voltage of Zener DiodesThe Zener Voltage of Zener Diodes are indicated as suchon Schematic Diagrams.Example:(6.2V)......Zener Voltage2. How to identify ConnectorsEach connector is labeled with a Connector No. and PinNo. Indicating what it is connected to,in other words, its counter part.Use the interconnection schematic diagram to find theconnection between associated connectors.Example:The connections between C.B.A.s are shown below.POWER SUPPLYC.B.A. MAIN C.B.A.The Number of pins of the Connector.Connector No. on Main C.B.A.P1503 P3004(10 Pins)Ref. No. of the connection parts such as lead cable,flexible cable which is supplied as a replacement parts.2443. Parts marked "PT" are not used in any models includedin this service model.Example: 100PPTC6011 R6097PTPTC6014Signal Waveform NoteHow to read Signal WaveformVoltage Chart NoteVoltage Measurementa. Color bar signal in SP mode.b. ---:Unmeasurable or not necessary to measure.Circuit Board Layout NoteCircuit Board Layout shows components installed forvarious models.For proper parts content for the model you are servicing,please refer to the schematic diagram and parts list.NOTE:Circuit Board Layout includes components which are notused.Model No. Identification Mark1 Connecting Point2 Volts/Div3 Operation Mode ofVCR4 Time/Div5 Waveform Point onSchematicPIN1 OF IC30010.5VREC20μsWF51 2 3 45COMPARISON CHART OF MODELS & MARKSNV-DS30ENNV-DS30ENTNV-DS30ENCNV-DS30ANV-DS50ENNV-DS50ENTNV-DS50ANot UsedNV-DS29EGNV-DS20EGMNV-DS29BNV-DS29EGENV-DS30EGNV-DS30EGMNV-DS30BNV-DS30EGEABCDEFGHMODEL MARKIJKLMNOPTMODEL MARKNote : Refer to item 3 of Schematic Diagram Notes for mark "PT".NV-DS29EG/NV-DS29EGM/NV-DS29B/NV-DS29EGE/NV-DS30EG/NV-DS30EGM/NV-DS30B/NV-DS30EGE/NV-DS30EN/NV-DS30ENT/NV-DS30ENC/NV-DS30A/NV-DS50EN/NV-DS50ENT/NV-DS50ANV-DS30EG / NV-DS30EGM / NV-DS30B / NV-DS30EGE / NV-DS30EN / NV-DS30ENT / NV-DS30ENC / NV-DS30A5